This product is intended solely for use to monitor heart rate during exercise, sports, and aviation activities. Not intended for continuous monitoring. This unit is not a medical device and is not intended to diagnose or treat any medical condition or disease. 18700 Finger Tip Pulse Oximeter 1/BX

Total weight is 1.8 oz. (50g) including battery Low power consumption and automatic power-off design Low voltage indicator Effective Measuring Range: Saturation - 40 to 99%; Pulse Rate - 40 to 250 beats per minute Accuracy (including motion artifacts and low profusion): Saturation +/- 2% or +/- 2 digits; Pulse Rate +/- 3% or +/- 3 digits Uses 3.6V lithium battery, 1/2 AA size Battery continuous life: 1,000 hours or 40 days of continuous usage